Matrices Determinants Quiz

Mathematics → Matrices & Determinants Quiz

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6. The number of non-zero rows in an echlon form is called ?
(A) reduced echlon form
(B) rank of a matrix
(C) conjugate of the matrix
(D) co-factor of the matrix

7. $(AB)^t = ?$
(A) B^tA^t
(B) A^tB^t
(C) AB
(D) BA

8. The matrix

is a ?
(A) symmetric
(B) skew-symmetric
(C) hermitian
(D) skew-hermitian

9. If

then |A| = ?
(A) 30
(B) 40
(C) 50
(D) 60

10. The matrix

is a ?
(A) even matrix
(B) odd matrix
(C) scalar matrix
(D) identity matrix

ANSWERS: MATRICES AND DETERMINANTS QUIZ
6. B
7. A
8. A
9. D
10. C